diff options
Diffstat (limited to 'tests/share/generate.py')
| -rw-r--r-- | tests/share/generate.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tests/share/generate.py b/tests/share/generate.py new file mode 100644 index 00000000..7e87bd64 --- /dev/null +++ b/tests/share/generate.py @@ -0,0 +1,82 @@ +#!/usr/bin/env python3 + +import argparse +import sys +import random +from contextlib import contextmanager + +@contextmanager +def redirect_stdout(new_target): + old_target, sys.stdout = sys.stdout, new_target + try: + yield new_target + finally: + sys.stdout = old_target + +def random_plus_x(): + return "%s x" % random.choice(['+', '+', '+', '-', '-', '|', '&', '^']) + +def maybe_plus_x(expr): + if random.randint(0, 4) == 0: + return "(%s %s)" % (expr, random_plus_x()) + else: + return expr + +parser = argparse.ArgumentParser(formatter_class = argparse.ArgumentDefaultsHelpFormatter) +parser.add_argument('-S', '--seed', type = int, help = 'seed for PRNG') +parser.add_argument('-c', '--count', type = int, default = 100, help = 'number of test cases to generate') +args = parser.parse_args() + +if args.seed is not None: + print("PRNG seed: %d" % args.seed) + random.seed(args.seed) + +for idx in range(args.count): + with open('temp/uut_%05d.v' % idx, 'w') as f: + with redirect_stdout(f): + if random.choice(['bin', 'uni']) == 'bin': + print('module uut_%05d(a, b, c, d, x, s, y);' % (idx)) + op = random.choice([ + random.choice(['+', '-', '*', '/', '%']), + random.choice(['<', '<=', '==', '!=', '===', '!==', '>=', '>' ]), + random.choice(['<<', '>>', '<<<', '>>>']), + random.choice(['|', '&', '^', '~^', '||', '&&']), + ]) + print(' input%s [%d:0] a;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input%s [%d:0] b;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input%s [%d:0] c;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input%s [%d:0] d;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input%s [%d:0] x;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input s;') + print(' output [%d:0] y;' % random.randint(0, 8)) + print(' assign y = (s ? %s(%s %s %s) : %s(%s %s %s))%s;' % + (random.choice(['', '$signed', '$unsigned']), maybe_plus_x('a'), op, maybe_plus_x('b'), + random.choice(['', '$signed', '$unsigned']), maybe_plus_x('c'), op, maybe_plus_x('d'), + random_plus_x() if random.randint(0, 4) == 0 else '')) + print('endmodule') + else: + print('module uut_%05d(a, b, x, s, y);' % (idx)) + op = random.choice(['~', '-', '!']) + print(' input%s [%d:0] a;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input%s [%d:0] b;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input%s [%d:0] x;' % (random.choice(['', ' signed']), random.randint(0, 8))) + print(' input s;') + print(' output [%d:0] y;' % random.randint(0, 8)) + print(' assign y = (s ? %s(%s%s) : %s(%s%s))%s;' % + (random.choice(['', '$signed', '$unsigned']), op, maybe_plus_x('a'), + random.choice(['', '$signed', '$unsigned']), op, maybe_plus_x('b'), + random_plus_x() if random.randint(0, 4) == 0 else '')) + print('endmodule') + with open('temp/uut_%05d.ys' % idx, 'w') as f: + with redirect_stdout(f): + print('read_verilog temp/uut_%05d.v' % idx) + print('proc;;') + print('copy uut_%05d gold' % idx) + print('rename uut_%05d gate' % idx) + print('tee -a temp/all_share_log.txt log') + print('tee -a temp/all_share_log.txt log #job# uut_%05d' % idx) + print('tee -a temp/all_share_log.txt wreduce') + print('tee -a temp/all_share_log.txt share -aggressive gate') + print('miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp gold gate miter') + print('sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter') + |